Molded surface of a concrete product



FIG. 1 is a perspective of a molded surface of a concrete product according to our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a molded surface of a concrete product, as shown and described. 